To set up the "blend" functions if a Program has .blendEnabled.

Static variables

@:value(0)staticinlineread onlyADD:Int = 0

@:value(1)staticinlineread onlySUBTRACT:Int = 1

@:value(2)staticinlineread onlyREVERSE_SUBTRACT:Int = 2

@:value(3)staticinlineread onlyMIN:Int = 3

@:value(4)staticinlineread onlyMAX:Int = 4